Patents
Patents for C07C 309 - Sulfonic acids; Halides, esters, or anhydrides thereof (15,484)
03/1985
03/05/1985US4503276 Process for separating nitration isomers of substituted benzene compounds
02/1985
02/26/1985CA1183147A1 Detergent compounds and compositions
02/20/1985EP0133423A1 Use of 4,5'-azo-bis-salicylic acid for the manufacture of a medicament for the treatment of inflammatory disorders in the intestine
02/20/1985EP0133318A1 Cycloaliphatic aminosulphonic-acid derivatives, process for their production and pharmaceutical preparations for combating heart and vascular diseases
02/19/1985US4500470 Chelating agents; inhibition of precipitation
02/19/1985CA1182832A1 Surfactant statistical oligomers, process for preparing the same and compositions containing these oligomers
02/13/1985EP0132731A1 Tetra-alkali salts of chromotropic acid, process for their recovery and their use
02/13/1985EP0132689A1 Process for the preparation of 1-amino-4-bromo-anthraquinone-2-sulfonic acid
02/13/1985EP0132688A2 Process for the preparation of monomethyl-substituted methylene compounds
02/12/1985US4499028 Preparation of isethionic acid
02/12/1985CA1182470A1 Aromatic base di- and poly-sulfosuccinate esters
02/05/1985CA1182129A1 Process for preparation of 3,3'-or 3,4'- diaminobenzophenones
02/05/1985CA1182123A1 Cationic surfactant compounds, their preparation and their use in cosmetics
01/1985
01/29/1985US4496492 Antibiotic, bactericide
01/29/1985CA1181893A1 Hydrophilic cotelomers having a sulfonate end plus acid and amine functions and their use in detergent compositions
01/29/1985CA1181761A1 Surfactant perfluorinated oligomers, process for preparing the same and compositions containing these compounds
01/29/1985CA1181760A1 Anti-rhinovirus agents
01/22/1985CA1181418A1 Fluorine-containing alkylsulfobetaines, a process for their preparation and their use
01/22/1985CA1181392A1 Photolabile blocked surfactants and compositions containing the same
01/09/1985EP0130818A2 Process for the handling of dialkyl sulphosuccinates
01/09/1985EP0130753A2 Process for producing sulfonate of unsaturated fatty acid ester
01/08/1985US4492754 Composition and method for the determination of hydrogen peroxide
01/03/1985WO1985000013A1 Azo-bis-salicylic acid and salt thereof, pharmaceutical formulations and uses of said acid and salt, and production of the acid
01/02/1985EP0129991A1 2-Aminocycloalkenyl carboxamides and their tritiated 2-aminocycloalkyl carboxamide derivatives
01/02/1985EP0129710A1 Process for winning colour-stable brightly coloured aqueous salty pastes from detegent alpha-sulfo fatty-acid esters
12/1984
12/27/1984EP0129527A2 Vulcanisable rubber composition and compounds useful as stabilising agents for rubber vulcanisates
12/19/1984EP0128272A1 2,4-Diaminobenzene derivates, their production and use as coupling substances
12/18/1984US4489091 Esterase and antibody inhibitors
12/18/1984US4489011 Hypoglycemic N-(2-substituted-3-dialkylamino-2-propenylidene)-N-alkylalkanaminium camsylate salts
12/18/1984US4489009 Process for producing solanone, norsolanadione and intermediates therefor
12/18/1984CA1179683A1 Detergent compounds and compositions
12/12/1984EP0127990A2 Fungicidal aniline derivatives
12/11/1984US4487725 Process for the preparation of N-acetylaminoarylsulfonic acids in sulfuric acid as solvent
12/04/1984CA1178969A1 2-benzylideneglutaraldehydes
12/04/1984CA1178966A1 Oxyimino-substituted cyclopropane compounds, process for their manufacture, pesticidal compositions and their use as and in the manufacture of pesticides
12/04/1984CA1178955A1 Process for the preparation of aromatic aminosulphonic acids
11/1984
11/27/1984US4485114 Arylglyoxals useful as hypoglycemic agents
11/21/1984EP0125641A2 Alkanoyloxybenzenesulfonate salt production
11/20/1984US4484000 Photographic stabilizers
11/20/1984US4483995 Process for producing solanone, norsolanadione and intermediates therefor
11/20/1984US4483853 Amino acid isomers, their production and their medicinal use
11/20/1984US4483799 Sulfoalkylating agents
11/20/1984US4483778 Peroxygen bleach activators and bleaching compositions
11/14/1984EP0124992A1 Herbicidal cyclohexane-1,3-dione derivatives
11/14/1984EP0124831A1 Process for the preparation of O-sulfonic-acid esters of optionally substituted aminonaphthols
11/13/1984US4482742 Catalytic reducing and dehalogenation 3,3*-dintitrodiphenylsulfone
11/13/1984US4482733 Process of manufacturing diaryl esters of dicarboxylic acids
11/13/1984US4482732 Controlled removal of water and byproducts by varying reflux ratio
11/13/1984CA1177848A1 Preparation of aromatic sulfohalides
11/07/1984EP0123739A2 Alpha-substituted-alkylarylketals particularly useful for preparing alpha-arylalkanoic acids
11/06/1984US4481284 Prevention of reticulation and scum
11/06/1984US4481150 Process for preparing hydroxyalkylaminosulfonic acids
11/06/1984US4481142 Pyrimido-2-benzazepines
10/1984
10/30/1984US4480119 Unsymmetrical sulfosuccinate diesters
10/25/1984WO1984004090A1 NEW TETRA-ALKYL-2, 2, 5, 5-CYCLOHEXANONE-4 ol-1 AND SULPHONYLATED DERIVATIVES THEREOF, PREPARATION INTERMEDIARIES AND PROCESS AND THEIR APPLICATION TO THE SYNTHESIS OF CYCLOPROPANIC CIS LACTONES
10/23/1984US4478967 Photolabile blocked surfactants and compositions containing the same
10/17/1984EP0122202A2 Tetra-alkyl-2,2,5,5-cyclohexanon-4-ol-1 and its sulfonated derivatives, process and intermediates for its preparation and its use in the synthesis of cis-cyclopropanlactones
10/16/1984US4477391 Amino acid isomers, their production and their medicinal use
10/10/1984EP0121024A1 Preparation of overbased calcium sulphonates
10/09/1984US4476058 Fluorosulfatoperfluoroalkanesulfonic acid halides
10/09/1984US4476055 C21-Dicarboxylic acid isethionates as primary anionic surfactants
10/09/1984US4476053 Surface-active azo compounds
10/09/1984US4475949 Alkali earth metal oxide-based coating compositions
10/09/1984CA1175856A1 4-bis(phenylmethyl)amino)benzenesulfonic acids, virus inhibiting compositions containing them and method for inhibiting viruses
10/03/1984EP0120814A2 N-phenylsulfonyl-N'-pyrimidinyl- and -triazinyl urea
10/03/1984EP0120591A1 Detergent ingredients, and their use in cleaning compositions and washing processes
10/02/1984US4474987 Nitrosation, hydrogenation
10/02/1984US4474874 Prevents formation of color fog, trihydroxy benzene compound
10/02/1984US4474810 Hypoglycemic agents, antidiabetic agents
10/02/1984US4474809 Hypoglycemic agents, antidiabetic agents
10/02/1984US4474806 Sulfonyl or carbonyl inositol derivatives useful as anti-inflammatory/analgesic agents
10/02/1984US4474710 Preparation of highly based magnesium sulfonate
10/02/1984US4474700 β-Substituted polyfluoropropionate salts and derivatives
09/1984
09/26/1984EP0119892A1 Hydroxyl amine derivatives, their preparation, their use as growth factors for vegetables and compositions thereof
09/26/1984EP0119804A1 Novel method for optical resolution of DL-alpha-amino acid or (+)-alpha-phenylethanesulfonic acid
09/26/1984EP0119274A1 Process for producing aminoalkylsulfonic acids
09/19/1984EP0118832A1 Process for the preparation of the disodium salt of 1,5-naphthalenedisulphonic acid
09/19/1984EP0118661A2 Fluorine-containing benzophenone derivatives
09/12/1984EP0117876A1 Sulfonic ester derivatives and process for their preparation
09/05/1984EP0117448A1 Process for the preparation of N-alkylated amino acids and their esters
09/04/1984US4469607 Displacement of underground oil to production well
08/1984
08/29/1984EP0117233A1 Coloured photo-curable mouldings
08/29/1984EP0116929A1 Tributylphenol-ethersulphonates, their use and process for the preparation of ether sulphonates
08/29/1984EP0116884A1 Nitro-naphthylamine sulphonic acids
08/28/1984CA1173457A1 Preparation of improved alkylphenylsulfonates
08/28/1984CA1173455A1 4-substituted 3,3-dimethyl-butan-2-ones, processes for their preparation and their use as intermediate products
08/22/1984EP0116349A1 Process for isolating paraffin sulphonates from the reaction mixture obtained by the sulfoxidation of paraffins
08/22/1984EP0116277A2 Ketones of bicyclic compounds, process for their preparation, odorant and/or flavouring compositions containing such compounds
08/14/1984US4465855 Antireumatic & antiinflammatories
08/14/1984US4465503 Diphenyl ether derivatives, process for preparing the same and herbicidal compositions containing the same
08/14/1984CA1172656A1 Process for preparing salts of carbamoyl sulfonic acid derivatives
08/08/1984EP0115328A1 Process for the preparation of 4-chloro-phenyl-sulphonyl-compounds
08/08/1984EP0114925A1 Process for making anhydrous alkanesulfonic acids
08/07/1984CA1172085A1 Imaging process and article employing photolabile, blocked surfactant
08/01/1984EP0114389A2 Substituted arylglyoxal derivatives
07/1984
07/11/1984EP0113247A1 Pesticidal phenoxyphenyl and phenoxypyridyl benzoyl ureas and process for their preparation
07/11/1984EP0112921A1 Process for preparing amidoalkanesulfonic acid derivatives
07/10/1984US4459242 Method of preparing alkaline difluoromethane sulfonates
07/04/1984EP0112603A1 Aphidicolane derivatives, their preparation and pharmaceutical compositions comprising them
07/04/1984EP0112531A2 Optically active derivatives of phenoxypropionic acid